Originally Posted by EZESE

As to the clearing of upgrades prior to departure, I can tell you that on the HKG routes it's been hit and miss since most of the times the loads are always overbooked therefore I don't expect the R Class to clear but only at the gate.
I've only ever had a waitlist once clear in advance prior to departure on this route in the past 12 roundtrips that I have taken in the past 2.5 months.